Tool retaining apparatus



FIG. 1 is a front elevational view of a tool retaining apparatus, showing the new design;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a top perspective view thereof;

FIG. 4 is a first end perspective view thereof;

FIG. 5 is a second end perspective view; and,

FIG. 6 is a bottom end elevational view thereof.

The portions not shown in the drawings form no part of the claimed design. 

CLAIM The ornamental design for a tool retaining apparatus, as shown and described. 